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WorksheetsActivities 14-15 Study Session
Total questions: 30
Worksheet time: 21mins
Name
Class
Date
1.
What is the atomic number?
a)
The number of protons in an element
b)
The number of neutrons in an element
c)
The number of protons and neutrons.
d)
The number of protons and electrons.
2.
Changing the number of neutrons in an atom changes its...
a)
element type.
b)
mass (weight).
c)
charge.
d)
atom type.
3.
When there are the same number of protons and electrons in an atom, that atom is a...
a)
positive ion.
b)
negative ion.
c)
unstable isotope.
d)
neutral atom.
4.
Which is a proton?
a)
A
b)
B
c)
C
5.
Which is a neutron?
a)
A
b)
B
c)
C
6.
What parts of the atom make up most of its mass?
a)
protons and electrons
b)
protons and neutrons
c)
neutrons and electrons
d)
electrons
7.
What is the atomic mass number?
a)
the number of protons in an element
b)
the number of neutrons in an element
c)
the number of protons and neutrons
d)
the number of protons and electrons
8.
Where are protons located in an atom?
a)
nucleus
b)
electron cloud
c)
neutron
d)
who knows?
9.
Where are neutrons located within an atom?
a)
nucleus
b)
electron cloud
c)
neutron
d)
who knows?
10.
An atom's protons and neutrons are concentrated in a dense, central region called the...
a)
electron cloud
b)
nucleus
c)
proton
d)
neutron
11.
What number defines the element?
a)
atomic mass
b)
mass number
c)
neutrons
d)
atomic number
12.
Using the table as evidence, all of the following statements are true, EXCEPT:
a)
Granite is the only grainy material listed on the table.
b)
Aluminum and copper has a brilliant luster.
c)
Copper is black.
d)
Glass is the only transluscent material listed.
13.
Using the data in the table as evidence, which material would most likely be used as a cover over a light?
a)
Granite
b)
Copper
c)
Glass
d)
Carbon
14.
The number of protons is equal to the
a)
atomic mass
b)
atomic number
c)
atomic structure
d)
atomic link
15.
Which of the following is not a chemical property?
a)
rusting
b)
boiling
c)
rotting
d)
burning
16.
Which is NOT a physical property?
a)
odor
b)
reacts with acid
c)
ability to conduct electric current
d)
hardness
17.
All of the tests performed on the materials in the data table are physical properties.
a)
True
b)
False
18.
Physical properties are
a)
properties that can be observed without changing the identity of the substance
b)
properties that describe how a substance changes into a completely different substance
19.
Which one of these is a chemical property?
a)
melting point
b)
boiling point
c)
color
d)
flammability
20.
Which of the following is a physical property?
a)
melting point
b)
flammability
c)
ability to rust
21.
Which type of property is the ability to conduct electricity?
a)
physical property
b)
chemical property
22.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
23.
What is an atom?
a)
The most basic unit of matter. It is made up of a proton, electron, neutron, and a nucleus.
b)
A substance that can't be broken down into any other substance
c)
2 or more chemically combined substances
d)
a small particle that contains only a proton and neutron
24.
What is the charge of a proton?
a)
Negative
b)
Neutral
c)
Positive
d)
2
25.
What is the charge of a neutron
a)
It has no charge
b)
positive
c)
2
d)
negative
26.
What is the charge of an electron
a)
positive
b)
negative
c)
1
d)
neutral
27.
Where are electrons found?
a)
In the nucleus
b)
On the shells outside of the nucleus
c)
in the atom
d)
in the proton
28.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
29.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
30.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
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